package com.xie.gulimall.product.app;

import java.util.Arrays;
import java.util.List;

import com.xie.gulimall.product.config.MyRedissonConfig;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import com.xie.gulimall.product.entity.CategoryEntity;
import com.xie.gulimall.product.service.CategoryService;
import com.xie.common.utils.R;



/**
 * 商品三级分类
 *
 * @author xiefeixiang
 * @email xiefeixiango@163.com
 * @date 2020-04-05 17:07:11
 */
@RestController
@RequestMapping("product/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    @Autowired
    private RedissonClient redisson;

    /**
     * 列表:查出所有分类以及子分类，以树形结构展示
     */
    @RequestMapping("/list/tree")
    public R list(){
        List<CategoryEntity> entities = categoryService.listWithTree();

        return R.ok().put("data", entities);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{catId}")
    //@RequiresPermissions("product:category:info")
    public R info(@PathVariable("catId") Long catId){
		CategoryEntity category = categoryService.getById(catId);

        return R.ok().put("data", category);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    //@RequiresPermissions("product:category:save")
    public R save(@RequestBody CategoryEntity category){
		categoryService.save(category);

        return R.ok();
    }
    /**
     * 批量修改
     */
    @RequestMapping("/update/sort")
    //@RequiresPermissions("product:category:update")
    public R updateSort(@RequestBody CategoryEntity[] category){

        categoryService.updateBatchById(Arrays.asList(category));

        return R.ok();
    }


    /**
     * 修改
     */
    @RequestMapping("/update")
    //@RequiresPermissions("product:category:update")
    public R update(@RequestBody CategoryEntity category){
		categoryService.updateCascade(category);

        return R.ok();
    }

    /**
     * 删除
     * @RequestBody 获取请求体 必须发送post请求
     * springmvc 自动将请求体中的数据json转为对应对象
     */
    @RequestMapping("/delete")
    //@RequiresPermissions("product:category:delete")
    public R delete(@RequestBody Long[] catIds){
        //1.检查当前删除的菜单，是否被别的地方引用

		categoryService.removeByIds(Arrays.asList(catIds));

		categoryService.removeMenu(Arrays.asList(catIds));
        return R.ok();
    }


    @ResponseBody
    @GetMapping("/hello")
    public String hello(){
        // 锁名字相同就为同一把锁
        RLock lock = redisson.getLock("my-lock");
        // 加锁,阻塞式等待
        lock.lock();
        try {
            System.out.println("加锁成功...执行业务"+Thread.currentThread().getId());
            Thread.sleep(30000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        } finally {
            // 解锁
            System.out.println("解锁成功..."+Thread.currentThread().getId());
            lock.unlock();
        }
        return "hello";
    }
}
